Serving Twig, MN and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"I got some advise on preventative maintenance and maintenance up keep. to keep my system running efficiently. They wer helpful with any questions and concerns I had"
Serving Twig, MN and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Polar Plumbing, Heating & Air, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.
Serving Twig, MN and surrounding areas
Approved
Free estimates
Credit card accepted
Offers commercial services
Maxx Mechanical provides dependable HVAC and plumbing services for homeowners and light commercial customers throughout Duluth and the surrounding areas. Whether you need heating or air conditioning service, repairs, replacement, or routine maintenance, our experienced team is ready to keep your property comfortable year-round. We also handle a wide range of plumbing needs, from leaks, clogged drains, and fixture repairs to water heaters and other plumbing installations. We focus on prompt response times, quality workmanship, clear communication, and professional service from start to finish. At Maxx Mechanical, we understand that HVAC and plumbing problems cant always wait, so we work efficiently to diagnose issues and provide practical solutions. Whether its a small repair, preventative maintenance, or a larger residential or light commercial project, you can count on Maxx Mechanical for reliable service and lasting results.
Serving Twig, MN and surrounding areas
In business since 2004
Free estimates
Emergency services offered
"We were switching over from oil to propane heat. It was a pleasant experience from the time we first met Jason who was very knowledgeable and a joy to talk to. The installers were very professional and did a great job. Aire Serve worked seamlessly with Curtis oil and job was completed in 1 day. We are warm happy campers and would definitely recommend Aire Serve and Curtis Oil & Propane."
Serving Twig, MN and surrounding areas
In business since 1999
Free estimates
Emergency services offered
"Travis (the contact person) explained the options very clearly at the time of the estimate, and clarified for me all the terms associated with this type of installation. Not only did they install the air conditioning unit in one day with minimal household disruption, when they heard that I was getting a new gas stove in the next couple of weeks (replacing electric), and needed someone to bring a gas line up to the kitchen, they agreed to do that for me as well since their "gas guy" had to perform specific operations for the air conditioning unit. They just added an extra $200.00 to my bill, which was 1/3 the cost I had gotten earlier from a plumber. When the gas stove arrived, I called Northstar and they arranged for their "certified" gas guy to come and "install' the gas range. What a deal! Great customer service."
Serving Twig, MN and surrounding areas
In business since 2014
Free estimates
Emergency services offered
"Very reliable- has been there whenever I needed his help."
Serving Twig, MN and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell worked with my husband over the phone to fix the problem. It was surprisingly fast and stress-free. To have the work done remotely in less than an hour was wonderful."
Serving Twig, MN and surrounding areas
In business since 2025
Free estimates
Offers commercial services
"Kane Heating responded quickly to our came immediately, made the repairs and was done in an hour. Super polite and concerned. Definitely would recommend Kane Heating and Air Conditioning."
+1
Serving Twig, MN and surrounding areas
In business since 2016
Free estimates
Warranties offered
"Hired the Comfort Company to install a new propane high efficiency furnace, air source heat pump and take out my old nasty oil tank. Very satisfied and my wallet took a smaller hit than I thought it would! Highly recommend!"
+3
Serving Twig, MN and surrounding areas
In business since 1992
Free estimates
Emergency services offered
"Bryan with Kaduce provided a range of options for replacing our system. He walked us through the costs and benefits of each option for our cabin. The install crew was friendly and did a good job installing they mini-split system we selected. They also completed the rebate process with the power company and registered our system with Carrier. The system is operating great. Very comfortable and much more energy efficient than our previous heating and cooling system. I would definitely choose Kaduce again."
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
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